internal DataRecordInfo(TypeUsage metadata)
{
IBaseList <EdmMember> structuralMembers = TypeHelpers.GetAllStructuralMembers(metadata);
System.Data.Entity.Core.Common.FieldMetadata[] fieldMetadataArray = new System.Data.Entity.Core.Common.FieldMetadata[structuralMembers.Count];
for (int ordinal = 0; ordinal < fieldMetadataArray.Length; ++ordinal)
{
EdmMember fieldType = structuralMembers[ordinal];
fieldMetadataArray[ordinal] = new System.Data.Entity.Core.Common.FieldMetadata(ordinal, fieldType);
}
this._fieldMetadata = new ReadOnlyCollection <System.Data.Entity.Core.Common.FieldMetadata>((IList <System.Data.Entity.Core.Common.FieldMetadata>)fieldMetadataArray);
this._metadata = metadata;
}
protected void UpdateRecordTrackingMark()
{
//Guid user_uid = BaseDB.SessionContext.Current.ActiveUser.UserUid;
Guid user_uid = (BaseDB.SessionContext.Current == null || BaseDB.SessionContext.Current.ActiveUser == null) ? Guid.Empty : BaseDB.SessionContext.Current.ActiveUser.UserUid;
var manager = ((IObjectContextAdapter)db).ObjectContext.ObjectStateManager;
var entries = from e in manager.GetObjectStateEntries(
System.Data.Entity.EntityState.Added | System.Data.Entity.EntityState.Modified)
where e.Entity != null
select e;
foreach (var entry in entries)
{
var fieldMetaData = entry.CurrentValues.DataRecordInfo.FieldMetadata;
System.Data.Entity.Core.Common.FieldMetadata updatedAtField = fieldMetaData
.Where(f => f.FieldType.Name == "updated_at").FirstOrDefault();
System.Data.Entity.Core.Common.FieldMetadata updatedByField = fieldMetaData
.Where(f => f.FieldType.Name == "updated_by").FirstOrDefault();
System.Data.Entity.Core.Common.FieldMetadata insertedAtField = fieldMetaData
.Where(f => f.FieldType.Name == "inserted_at").FirstOrDefault();
System.Data.Entity.Core.Common.FieldMetadata insertedByField = fieldMetaData
.Where(f => f.FieldType.Name == "inserted_by").FirstOrDefault();
if (entry.State == System.Data.Entity.EntityState.Added)
{
if (insertedAtField.FieldType != null)
{
if (insertedAtField.FieldType.TypeUsage.EdmType.Name == PrimitiveTypeKind.DateTime.ToString())
{
entry.CurrentValues.SetDateTime(insertedAtField.Ordinal, DateTime.UtcNow);
}
}
if (insertedByField.FieldType != null)
{
if (insertedByField.FieldType.TypeUsage.EdmType.Name == PrimitiveTypeKind.Guid.ToString())
{
entry.CurrentValues.SetGuid(insertedByField.Ordinal, user_uid);
}
}
}
if (entry.State == System.Data.Entity.EntityState.Modified)
{
if (updatedAtField.FieldType != null)
{
if (updatedAtField.FieldType.TypeUsage.EdmType.Name == PrimitiveTypeKind.DateTime.ToString())
{
entry.CurrentValues.SetDateTime(updatedAtField.Ordinal, DateTime.UtcNow);
}
}
if (updatedByField.FieldType != null)
{
if (updatedByField.FieldType.TypeUsage.EdmType.Name == PrimitiveTypeKind.Guid.ToString())
{
entry.CurrentValues.SetGuid(updatedByField.Ordinal, user_uid);
}
}
}
}
}
